Question
With the same centre $O$, draw two circles of radii $4\ cm$ and $2.5\ cm.$

Answer

The required circle may be drawn as following:
Step 1: First open the compasses for the required radius $4\ cm.$​​​​​​​
Step 2: Mark a point $O'$ where we want the centre of circle to be.
Step 3: Place the pointer of compasses on $O.$​​​​​​​
Step 4: Turn the compass slowly to draw the circle.
Step 5: Now open the compasses for $2.5cm.$
 Step 6: Again put pointer of compasses on point $'O'$ and from the compasses slowly to draw the circle.

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